1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 30*7c478bd9Sstevel@tonic-gate #include <sys/time.h> 31*7c478bd9Sstevel@tonic-gate #include <string.h> 32*7c478bd9Sstevel@tonic-gate #include <thread.h> 33*7c478bd9Sstevel@tonic-gate #include <unistd.h> 34*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 35*7c478bd9Sstevel@tonic-gate #include <crypt.h> 36*7c478bd9Sstevel@tonic-gate #include <pwd.h> 37*7c478bd9Sstevel@tonic-gate #include <shadow.h> 38*7c478bd9Sstevel@tonic-gate 39*7c478bd9Sstevel@tonic-gate #include <deflt.h> 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate #include "passwdutil.h" 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #define PWADMIN "/etc/default/passwd" 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate #define MINWEEKS -1 46*7c478bd9Sstevel@tonic-gate #define MAXWEEKS -1 47*7c478bd9Sstevel@tonic-gate #define WARNWEEKS -1 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate void 50*7c478bd9Sstevel@tonic-gate free_pwd(struct passwd *pw) 51*7c478bd9Sstevel@tonic-gate { 52*7c478bd9Sstevel@tonic-gate if (pw->pw_name) free(pw->pw_name); 53*7c478bd9Sstevel@tonic-gate if (pw->pw_passwd) free(pw->pw_passwd); 54*7c478bd9Sstevel@tonic-gate if (pw->pw_gecos) free(pw->pw_gecos); 55*7c478bd9Sstevel@tonic-gate if (pw->pw_dir) free(pw->pw_dir); 56*7c478bd9Sstevel@tonic-gate if (pw->pw_shell) free(pw->pw_shell); 57*7c478bd9Sstevel@tonic-gate free(pw); 58*7c478bd9Sstevel@tonic-gate } 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate void 61*7c478bd9Sstevel@tonic-gate free_spwd(struct spwd *spw) 62*7c478bd9Sstevel@tonic-gate { 63*7c478bd9Sstevel@tonic-gate if (spw->sp_namp) free(spw->sp_namp); 64*7c478bd9Sstevel@tonic-gate if (spw->sp_pwdp) free(spw->sp_pwdp); 65*7c478bd9Sstevel@tonic-gate free(spw); 66*7c478bd9Sstevel@tonic-gate } 67*7c478bd9Sstevel@tonic-gate 68*7c478bd9Sstevel@tonic-gate int 69*7c478bd9Sstevel@tonic-gate dup_pw(struct passwd **d, struct passwd *s) 70*7c478bd9Sstevel@tonic-gate { 71*7c478bd9Sstevel@tonic-gate if (s == NULL) { 72*7c478bd9Sstevel@tonic-gate *d = NULL; 73*7c478bd9Sstevel@tonic-gate return (PWU_NOT_FOUND); 74*7c478bd9Sstevel@tonic-gate } 75*7c478bd9Sstevel@tonic-gate if ((*d = calloc(1, sizeof (**d))) == NULL) 76*7c478bd9Sstevel@tonic-gate return (PWU_NOMEM); 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate if (s->pw_name) { 79*7c478bd9Sstevel@tonic-gate if (((*d)->pw_name = strdup(s->pw_name)) == NULL) 80*7c478bd9Sstevel@tonic-gate goto no_mem; 81*7c478bd9Sstevel@tonic-gate } 82*7c478bd9Sstevel@tonic-gate if (s->pw_passwd) { 83*7c478bd9Sstevel@tonic-gate if (((*d)->pw_passwd = strdup(s->pw_passwd)) == NULL) 84*7c478bd9Sstevel@tonic-gate goto no_mem; 85*7c478bd9Sstevel@tonic-gate } 86*7c478bd9Sstevel@tonic-gate (*d)->pw_uid = s->pw_uid; 87*7c478bd9Sstevel@tonic-gate (*d)->pw_gid = s->pw_gid; 88*7c478bd9Sstevel@tonic-gate 89*7c478bd9Sstevel@tonic-gate if (s->pw_gecos) { 90*7c478bd9Sstevel@tonic-gate if (((*d)->pw_gecos = strdup(s->pw_gecos)) == NULL) 91*7c478bd9Sstevel@tonic-gate goto no_mem; 92*7c478bd9Sstevel@tonic-gate } 93*7c478bd9Sstevel@tonic-gate if (s->pw_dir) { 94*7c478bd9Sstevel@tonic-gate if (((*d)->pw_dir = strdup(s->pw_dir)) == NULL) 95*7c478bd9Sstevel@tonic-gate goto no_mem; 96*7c478bd9Sstevel@tonic-gate } 97*7c478bd9Sstevel@tonic-gate if (s->pw_shell) { 98*7c478bd9Sstevel@tonic-gate if (((*d)->pw_shell = strdup(s->pw_shell)) == NULL) 99*7c478bd9Sstevel@tonic-gate goto no_mem; 100*7c478bd9Sstevel@tonic-gate } 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate return (PWU_SUCCESS); 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate no_mem: 105*7c478bd9Sstevel@tonic-gate free_pwd(*d); 106*7c478bd9Sstevel@tonic-gate *d = NULL; 107*7c478bd9Sstevel@tonic-gate return (PWU_NOMEM); 108*7c478bd9Sstevel@tonic-gate } 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate int 111*7c478bd9Sstevel@tonic-gate dup_spw(struct spwd **d, struct spwd *s) 112*7c478bd9Sstevel@tonic-gate { 113*7c478bd9Sstevel@tonic-gate if (s == NULL) { 114*7c478bd9Sstevel@tonic-gate *d = NULL; 115*7c478bd9Sstevel@tonic-gate return (PWU_NOT_FOUND); 116*7c478bd9Sstevel@tonic-gate } 117*7c478bd9Sstevel@tonic-gate if ((*d = calloc(1, sizeof (**d))) == NULL) 118*7c478bd9Sstevel@tonic-gate return (PWU_NOMEM); 119*7c478bd9Sstevel@tonic-gate 120*7c478bd9Sstevel@tonic-gate **d = *s; 121*7c478bd9Sstevel@tonic-gate 122*7c478bd9Sstevel@tonic-gate if (s->sp_namp) 123*7c478bd9Sstevel@tonic-gate if (((*d)->sp_namp = strdup(s->sp_namp)) == NULL) 124*7c478bd9Sstevel@tonic-gate goto no_mem; 125*7c478bd9Sstevel@tonic-gate if (s->sp_pwdp) 126*7c478bd9Sstevel@tonic-gate if (((*d)->sp_pwdp = strdup(s->sp_pwdp)) == NULL) 127*7c478bd9Sstevel@tonic-gate goto no_mem; 128*7c478bd9Sstevel@tonic-gate return (PWU_SUCCESS); 129*7c478bd9Sstevel@tonic-gate 130*7c478bd9Sstevel@tonic-gate no_mem: 131*7c478bd9Sstevel@tonic-gate free_spwd(*d); 132*7c478bd9Sstevel@tonic-gate return (PWU_NOMEM); 133*7c478bd9Sstevel@tonic-gate } 134*7c478bd9Sstevel@tonic-gate 135*7c478bd9Sstevel@tonic-gate /* 136*7c478bd9Sstevel@tonic-gate * read a value from the defaults file, and return it if it is 137*7c478bd9Sstevel@tonic-gate * a positive integer. If the value is not defined, or negative, 138*7c478bd9Sstevel@tonic-gate * return the supplied default value 139*7c478bd9Sstevel@tonic-gate */ 140*7c478bd9Sstevel@tonic-gate int 141*7c478bd9Sstevel@tonic-gate def_getuint(char *name, int defvalue) 142*7c478bd9Sstevel@tonic-gate { 143*7c478bd9Sstevel@tonic-gate char *p; 144*7c478bd9Sstevel@tonic-gate int val = -1; /* -1 is a guard to catch undefined values */ 145*7c478bd9Sstevel@tonic-gate 146*7c478bd9Sstevel@tonic-gate if (p = defread(name)) 147*7c478bd9Sstevel@tonic-gate val = atoi(p); 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate return (val >= 0 ? val : defvalue); 150*7c478bd9Sstevel@tonic-gate } 151*7c478bd9Sstevel@tonic-gate 152*7c478bd9Sstevel@tonic-gate void 153*7c478bd9Sstevel@tonic-gate turn_on_default_aging(struct spwd *spw) 154*7c478bd9Sstevel@tonic-gate { 155*7c478bd9Sstevel@tonic-gate int minweeks; 156*7c478bd9Sstevel@tonic-gate int maxweeks; 157*7c478bd9Sstevel@tonic-gate int warnweeks; 158*7c478bd9Sstevel@tonic-gate 159*7c478bd9Sstevel@tonic-gate if (defopen(PWADMIN) != 0) { 160*7c478bd9Sstevel@tonic-gate minweeks = MINWEEKS; 161*7c478bd9Sstevel@tonic-gate maxweeks = MAXWEEKS; 162*7c478bd9Sstevel@tonic-gate warnweeks = WARNWEEKS; 163*7c478bd9Sstevel@tonic-gate } else { 164*7c478bd9Sstevel@tonic-gate minweeks = def_getuint("MINWEEKS=", MINWEEKS); 165*7c478bd9Sstevel@tonic-gate maxweeks = def_getuint("MAXWEEKS=", MAXWEEKS); 166*7c478bd9Sstevel@tonic-gate warnweeks = def_getuint("WARNWEEKS=", WARNWEEKS); 167*7c478bd9Sstevel@tonic-gate (void) defopen(NULL); 168*7c478bd9Sstevel@tonic-gate } 169*7c478bd9Sstevel@tonic-gate 170*7c478bd9Sstevel@tonic-gate /* 171*7c478bd9Sstevel@tonic-gate * The values specified in /etc/default/passwd are interpreted 172*7c478bd9Sstevel@tonic-gate * in a specific way. Special cases are 173*7c478bd9Sstevel@tonic-gate * MINWEEKS==0 (results in sp_min = -1) 174*7c478bd9Sstevel@tonic-gate * MAXWEEKS==0 (results in sp_max = default) 175*7c478bd9Sstevel@tonic-gate */ 176*7c478bd9Sstevel@tonic-gate spw->sp_min = 7 * minweeks; 177*7c478bd9Sstevel@tonic-gate if (spw->sp_min <= 0) 178*7c478bd9Sstevel@tonic-gate spw->sp_min = -1; 179*7c478bd9Sstevel@tonic-gate 180*7c478bd9Sstevel@tonic-gate spw->sp_max = 7 * maxweeks; 181*7c478bd9Sstevel@tonic-gate if (spw->sp_max == 0) 182*7c478bd9Sstevel@tonic-gate spw->sp_max = 7 * MAXWEEKS; 183*7c478bd9Sstevel@tonic-gate if (spw->sp_max < 0) 184*7c478bd9Sstevel@tonic-gate spw->sp_max = -1; 185*7c478bd9Sstevel@tonic-gate 186*7c478bd9Sstevel@tonic-gate spw->sp_warn = 7 * warnweeks; 187*7c478bd9Sstevel@tonic-gate if (spw->sp_warn <= 0) 188*7c478bd9Sstevel@tonic-gate spw->sp_warn = -1; 189*7c478bd9Sstevel@tonic-gate } 190*7c478bd9Sstevel@tonic-gate 191*7c478bd9Sstevel@tonic-gate /* 192*7c478bd9Sstevel@tonic-gate * open and read a value from the defaults file, 193*7c478bd9Sstevel@tonic-gate * return value found or default value if not found. 194*7c478bd9Sstevel@tonic-gate */ 195*7c478bd9Sstevel@tonic-gate int 196*7c478bd9Sstevel@tonic-gate def_getint(char *name, int defvalue) 197*7c478bd9Sstevel@tonic-gate { 198*7c478bd9Sstevel@tonic-gate int val; 199*7c478bd9Sstevel@tonic-gate 200*7c478bd9Sstevel@tonic-gate if (defopen(PWADMIN) != 0) 201*7c478bd9Sstevel@tonic-gate val = defvalue; 202*7c478bd9Sstevel@tonic-gate else 203*7c478bd9Sstevel@tonic-gate val = def_getuint(name, defvalue); 204*7c478bd9Sstevel@tonic-gate 205*7c478bd9Sstevel@tonic-gate (void) defopen(NULL); 206*7c478bd9Sstevel@tonic-gate return (val); 207*7c478bd9Sstevel@tonic-gate } 208